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2010 - 2021 Cadillac ATS-V CTS-V CT5-V CT6-V: #21-NA-108: Information on Engine Overheating, Cooling System Contaminated with Engine Oil - (May 4, 2021)

#21-NA-108: Information on Engine Overheating, Cooling System Contaminated with Engine Oil - (May 4, 2021) Subject:  Information on Engine Overheating, Cooling System Contaminated with Engine Oil This bulletin replaces PIP5257E. Please... Read More

2014 - 2019 Cadillac ATS-V - CTS V-Sport: Service Bulletin: #19-NA-256: Diagnostic Tips for Knocking, Rattle, Squeak and/or Squeal Type Noise from Engine

#19-NA-256: Diagnostic Tips for Knocking, Rattle, Squeak and/or Squeal Type Noise from Engine - Engine Replacement Recommendations for HFV6 Gen 1 and Gen 2 - (Jan 14, 2021) Subject: Diagnostic Tips for Knocking, Rattle, Squeak and/or Squeal Type... Read More

2014 - 2016 Cadillac VSport and ATS-V: GM TechLink: Twin Turbocharged V6 Engine Sounds

GM TechLinkJanuary 29, 2016 A noise condition may be heard on some 2014 - 2016 Cadillac models equipped with the twin turbocharged V6 engine (RPO LF3, LF4). Cold Start Rattle Sound at Idle On some 2014 - 2016 Cadillac CTS-V Sport and XTS models... Read More